Lenovo ThinkPad T61 Service Manual page 91

When installing:
v Before you attach the fan assembly to the computer, apply thermal grease, at an
amount of 0.2 grams, on the part marked a as in the following figure. Either
too much or too less application of grease can cause a thermal problem due to
imperfect contact with a component.
v Make sure that the fan connector is attached firmly.
v When attaching the fan assembly to the frame, take care not to damage the heat
sink ( b ) of the fan assembly.
b
Removing and replacing a FRU
a
b
ThinkPad T61 and T61p (15.4-inch widescreen)
85